1ikq

Pseudomonas Aeruginosa Exotoxin A, wild type

Method: X-RAY DIFFRACTION
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1. Protein Identity and Related Structures Protein Identity & Related Structures

EXOTOXIN A

Pseudomonas aeruginosa

UniProt P11439

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein monomer Monomer Protein 1 CHLORIDE ION × 2 SODIUM ION × 2 water × 1 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name TOXA_PSEAE
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–613; UniProt 26–638

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

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2. Structure Basics 2. Structure Basics

Entry ID entry_id1ikq
Deposition date deposition_date2001-05-04
Structure title titlePseudomonas Aeruginosa Exotoxin A, wild type
Keywords keywordsDOMAIN I, II, III of EXOTOXIN A, TRANSFERASE; TRANSFERASE
Experimental Method methodX-RAY DIFFRACTION
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3. Official assembly/model SAXS Official SAXS Profiles

This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.

1ikq__assembly_1__model_1

Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

1ikq__assembly_1__model_1 | I(q)

10-2 10-1 106 107 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

1ikq__assembly_1__model_1 | P(r) · Pending

The new assembly/model P(r) has not been calculated yet This placeholder does not display legacy data r (Angstrom) P(r)
P(r) will be calculated and displayed separately for the same assembly/model.
Rg(Guinier)26.98 Å
Rg (electron density)25.92 Å
Total Rg26.77 Å
Atom count4582
Residues599
Excluded volume80635 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1ikq__assembly_1__model_1 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
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4. Crystallography and Experiment 4. Crystallography & Experiment

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5. Entities and Polymers Entities & Polymers (4)

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6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (3 domains)

Domain ID domain_idd1ikqa1
Class classb — All beta proteins
Fold Fold foldb.29 — Concanavalin A-like lectins/glucanases
Superfamily Superfamily superfamilyb.29.1 — Concanavalin A-like lectins/glucanases
Family Family familyb.29.1.7 — Exotoxin A, N-terminal domain
Domain ID domain_idd1ikqa2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.166 — ADP-ribosylation
Superfamily Superfamily superfamilyd.166.1 — ADP-ribosylation
Family Family familyd.166.1.1 — ADP-ribosylating toxins
Domain ID domain_idd1ikqa3
Class classf — Membrane and cell surface proteins and peptides
Fold Fold foldf.1 — Toxins' membrane translocation domains
Superfamily Superfamily superfamilyf.1.5 — Exotoxin A, middle domain
Family Family familyf.1.5.1 — Exotoxin A, middle domain

CATH v4.4 (3 domains)

Domain ID domain_id1ikqA01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology120 — Jelly Rolls
Homologous superfamily homologous superfamily200 —
Domain ID domain_id1ikqA02
Class class3 — Alpha Beta
Architecture architecture90 — Alpha-Beta Complex
Topology topology1350 — Exotoxin A, middle domain
Homologous superfamily homologous superfamily10 — Exotoxin A, middle domain
Domain ID domain_id1ikqA03
Class class3 — Alpha Beta
Architecture architecture90 — Alpha-Beta Complex
Topology topology175 — Diphtheria Toxin; domain 1
Homologous superfamily homologous superfamily10 — Diphtheria Toxin, domain 1
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7. Citations (5)